Members need to be able to register for classes online. Follow the guidelines and suggestions in this chapter, and design an online class registration screen form. 3. In addition to being available online, members can register for fitness classes through the mail or by dropping off a mail-in form. Follow the guidelines and suggestions in this chapter, and design a paper source document. 4. Personal Trainer is very concerned about the security and protection of the information they collect in the new information system. Prepare a memo to Gray and Personal Trainers staff that explains the input and output security controls that will be built into the new systems and the policies that will enforce these controls